Description
Key Technical Specifications
- • Product Model: IC660BBA104
- • Product Type: Analog I/O block / Genius I/O block
- • I/O Configuration: 4 analog inputs / 2 analog outputs
- • Module Style: Current-source analog block
- • Power / Bus Rating: 115 VAC / 125 VDC version
- • Signal Compatibility: Typically supports standard analog ranges such as 4–20 mA and voltage ranges including 0–10 VDC, ±10 VDC, ±5 VDC, 0–5 VDC
- • Bus / System: GE IC660 / Genius Bus compatible
- • Configuration Method: Handheld monitor or PLC programming/configuration tool
- • Diagnostics: Supports high/low alarm, open-wire detection for current inputs, overrange/underrange detection
- • Isolation: Block-to-block isolation commonly rated around 1500 VAC
- • Dimensions: Approximately 8.83 in L × 3.34 in W × 3.91 in D
- • Weight: Approximately 1.8 kg / 4 lb
Product Introduction
In older GE Fanuc / GE IC660 plants, the IC660BBA104 is the kind of module that quietly bridges field instruments and the PLC. It is not a CPU. It is not a power supply. It is an analog I/O block that reads analog process signals and drives analog outputs across the Genius Bus.
The IC660BBA104 is most consistently identified as a 115 VAC / 125 VDC current-source analog 4-input / 2-output block. That makes it useful where 4–20 mA loops, analog transmitters, control valves, or analog setpoints must be tied into a GE PLC system. The 6231BP10910 number should not override IC660BBA104 unless the physical nameplate explicitly ties both numbers to the same unit.
Troubleshooting Quick Reference
| Fault | Likely Cause | Quick Check | Fix |
|---|---|---|---|
| Module not recognized on Genius Bus | Bus power, terminator, cable, or bus controller issue | Check Genius Bus power and bus cable continuity | Verify bus controller and terminators before replacing the block |
| One analog channel reads zero or fault | Open 4–20 mA loop or bad field wiring | Measure loop current at the transmitter and terminal | Check fuse, wiring, and transmitter supply |
| Erratic analog readings | Ground loop, EMI, or loose terminal | Inspect shield grounding and terminal torque | Separate analog cables from power/VFD cables |
| Output not changing | CPU not writing output or output disabled | Force output in PLC logic and check status | Verify CPU program, enable bits, and output configuration |
| Overrange / underrange alarm | Signal outside configured range | Check transmitter span and wiring polarity | Rescale in configuration or repair field device |
| Module fault LED active | Internal fault, bus fault, or configuration mismatch | Read fault with handheld monitor or PLC diagnostics | Clear fault; if it returns, replace module |
GE IC660BBA104 6231BP10910
Application Scenarios & Pain Points
- Water/wastewater treatment: Reading pH, flow, pressure, or level transmitters while driving analog setpoints to dosing pumps or control valves.
- Chemical processing: Monitoring reactor temperature, pressure, or flow with 4–20 mA transmitters in legacy GE Fanuc systems.
- Power plant auxiliary systems: Analog feedback from pressure transmitters, temperature sensors, or valve positioners.
- Oil and gas skids: Integrating analog field instruments into older GE IC660/Genius I/O architectures.
- Manufacturing process lines: Using analog inputs for process monitoring and analog outputs for speed, position, or trim control.
